MCQ
Young's modulus of a wire depends on:
  • Its material.
  • B
    Its length.
  • C
    Its area of cross-section.
  • D
    Both $(b)$ and $(c).$

Answer

Correct option: A.
Its material.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A man is running at a speed of $5\, m/s$, the rain drops appear to be falling at an angle of $45^o$ from the vertical. If the rain drops are actually falling vertically downwards, then velocity of rain drops (in $m/s$) is
A source of sound of frequency $450$ cycles/sec is moving towards a stationary observer with $34\, m/sec$ speed. If the speed of sound is $340\, m/sec,$ then the apparent frequency will be ..... $cycles/sec$
An ideal gas occupies a volume of $2\, m^3$ at a pressure of $3\times10^6\, Pa$. The energy of  the gas is
A body of mass $m_1$ moving with an unknown velocity of $v_1 \hat i$ undergoes a collinear collision with a body of mass $m_2$ moving with a velocity $v_2 \hat i$ . After collision $m_1$ and $m_2$ move with velocities of $v_3 \hat i$ and $v_4 \hat i$ respectively. If $m_2 = 0.5\, m_1$ and $v_3 = 0.5\, v_1$ then $v_1$ is:
If the angular speed of the earth is doubled, the value of acceleration due to gravity (g) at the north pole
Two particles $A$ and $B$ have a phase difference of $\pi$ when a sine wave passes through the region.
  1. $A$ oscillates at half the frequency of $B.$
  2. $A$ and $B$ move in opposite directions.
  3. $A$ and $B$ must be separated by half of the wavelength.
  4. The displacements at $A$ and $B$ have equal magnitudes.
At $N.T.P.$ one mole of diatomic gas is compressed adiabatically to half of its volume $\gamma = 1.41$. The work done on gas will be ....... $J$
The rate of change of velocity is:
$1$ mole of $H _2$ gas is contained in a box of volume $V =1.00 m^3$ at $T =300 K$. The gas is heated to a temperature of $T =3000 K$ and the gas gets converted to a gas of hydrogen atoms. The final pressure would be $($considering all gases to be ideal$).$
For a gas, the difference between the two specific heats is $4150\, J\, kg^{-1}\, K^{-1}$ and the ratio of the two specific heats is $1.4$. What is the specific heat of the gas at constant volume in units of $J\, kg^{-1}\, K^{-1}$ ?